Tonga · WinterMonth summary
Tonga weather in January
✅ Good
🌡️ Temperature min / max
77°F – 82°F
🌧 Rainy days
75% of days
☀️ Sunshine
12.2h per day on average
🌊 🌊 Season
Winter
⭐ ⭐ Weather score
7.3/10
📅 📅 Best month
June (7.8/10)
Quick decision
Should you visit Tonga in January?
✅ Good
✅ Yes if: you're willing to accept showers in exchange for lower prices and fewer tourists.
❌ No if: you're planning 100% outdoor activities — rain is frequent.
Our take: Tonga in January: 82°F and 12.2h of sunshine. Decent, but not the peak.
By trip type
Tonga in January by trip type
- 🏙️ 🏙️ City break / culture : ✅ Good
- 🚶 🚶 Outdoor activities : ⚠️ Possible
- 🏖️ Beach / swimming : ⚠️ Possible
- 💰 💰 Budget : ✅ Low season
Local context
What to expect in January
Even in winter, Tonga enjoys 28°F. A real asset for escaping the European cold. With 75% of rainy days, always have indoor alternatives planned. Not the best window, but acceptable if dates are constrained. June (7.8/10) is significantly better if possible.
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Annual table
Month-by-month comparison
| Month | Min °F | Max °F | Rain % | Precip in | Sun h/d | Score |
|---|---|---|---|---|---|---|
| ⛅ January | 77°F | 82°F | 75% | 0.3in | 12.2h | 7.3/10 |
| 🌦️ February | 77°F | 82°F | 86% | 0.4in | 12.0h | 7.1/10 |
| ⛅ March | 77°F | 82°F | 72% | 0.4in | 11.2h | 7.3/10 |
| 🌤️ April | 75°F | 81°F | 53% | 0.2in | 11.0h | 7.6/10 |
| 🌤️ May | 73°F | 77°F | 46% | 0.2in | 10.7h | 7.5/10 |
| 🌤️ June | 72°F | 77°F | 36% | 0.1in | 10.3h | 7.8/10 |
| 🌤️ July | 70°F | 75°F | 34% | 0.1in | 10.3h | 7.7/10 |
| 🌤️ August | 70°F | 73°F | 39% | 0.1in | 10.6h | 7.6/10 |
| 🌤️ September | 70°F | 75°F | 42% | 0.1in | 11.0h | 7.7/10 |
| 🌤️ October | 72°F | 77°F | 51% | 0.2in | 11.5h | 7.5/10 |
| 🌤️ November | 73°F | 79°F | 59% | 0.2in | 12.8h | 7.6/10 |
| ⛅ December | 75°F | 81°F | 65% | 0.3in | 13.0h | 7.5/10 |
Ideal
Fair
Challenging climate
◀ Current month · Source Open-Meteo · 10 years
📊 Data source
Data based on 10 years of ERA5 records via Open-Meteo, with ECMWF seasonal adjustment. In January, Tonga averages 82°F, 75% rainy days and 12.2h of sunshine per day. Overall weather score: 7.3/10.
See methodology →
Comparison
January vs June (best month)
The best month is June (score 7.8/10). Difference:
- 🌡️ Max temperature : -3°F
- 🌧 Rainy days : -39%
- ☀️ Sunshine : -1.9h/day
FAQ
FAQ — Tonga in January
Is January a good time to visit Tonga?
January is an acceptable time for Tonga (score 7.3/10). Conditions are decent but not optimal — consider June (7.8/10) if possible.
Does it rain a lot in Tonga in January?
Yes, 75% of days see rain in January. Plan some indoor activities as backup.
Accommodation
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Activities & tours
Activities and tours in Tonga
Guided tours, skip-the-line tickets and local experiences.
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